Threat Intelligence Database

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.31 and 23.4.0-23.26.2. Easily exploitable vulnerability allows low privileged attacker having Execute DBMS_CLOUD privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVE-2026-47046 is a high-severity vulnerability in the Oracle Database Server RDBMS component affecting versions 23.4.0 through 23.26.2. It allows an unauthenticated attacker with network access via Oracle Net to cause a denial of service by hanging or crashing the database server, and to perform unauthorized update, insert, or delete operations on some accessible data. The vulnerability has a CVSS 3.1 base score of 8.2, indicating significant integrity and availability impacts. Oracle has published a Critical Patch Update advisory that includes multiple security patches but does not explicitly confirm a patch for this specific vulnerability at this time. Customers are strongly advised to monitor Oracle's advisories and apply patches promptly when available.

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows high privileged attacker having None privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).

CVE-2026-46975 is a vulnerability in the Oracle Database Server's RDBMS component affecting versions 19.3 through 19.31, 21.3 through 21.22, and 23.4.0 through 23.26.2. It allows an unauthenticated attacker with network access via Oracle Net to compromise the database, potentially leading to unauthorized update, insert, or delete operations on accessible data. The vulnerability has a CVSS 3.1 base score of 5.8, indicating a medium severity with integrity impact but no confidentiality or availability impact. While the vulnerability is in the RDBMS, it may affect additional Oracle products due to scope change. Oracle has released a Critical Patch Update advisory covering this and many other vulnerabilities, strongly recommending patch application. No explicit patch details for this CVE were provided in the advisory content, so users should consult the vendor advisory for patch availability and installation instructions.

Vulnerability in the Net Service component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Net Service. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Net Service. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVE-2026-35229 is a high-severity vulnerability in the Java VM component of Oracle Database Server versions 19.3 through 19.30 and 21.3 through 21.21. It allows an unauthenticated attacker with network access via Oracle Net to compromise the Java VM, potentially gaining unauthorized access to critical or all Java VM accessible data. The vulnerability has a CVSS 3.1 base score of 7.5, indicating a significant confidentiality impact without requiring user interaction or privileges. Oracle has published this vulnerability in their April 2026 Critical Patch Update advisory but has not explicitly confirmed the availability of a patch for this specific issue in the provided advisory content.

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.29 and 21.3-21.20. Easily exploitable vulnerability allows high privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise Java VM. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java VM. CVSS 3.1 Base Score 4.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H).

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Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.28, 21.3-21.19 and 23.4-23.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Java VM. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

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